Enthalpy change for the reaction , 4H(g) rarr 2H_(2)(g)is-869.6 kJ. The dissociation energy of H-H bondis

Enthalpy change for the reaction , 4H(g) rarr 2H_(2)(g)is-869.6 kJ. Th

1.	Enthalpy change for the reaction , 4H(g) rarr 2H_(2)(g)is-869.6 kJ. The dissociation energy of H-H bondis
Answer» `+217 .4kJ` `-434.8 KJ` `-869.6kJ` `+ 434.8kJ` SOLUTION :`2H_(2)(g) rarr 4H(g), DeltaH = +869.6kJ` or `H_(2)(g)rarr 2H(g), DeltaH= + ( 869.6)/( 2) Kj` `=434.8 kJ`